From owner-freebsd-questions@freebsd.org Thu Jul 14 18:54:29 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1092DB99F6E for ; Thu, 14 Jul 2016 18:54:29 +0000 (UTC) (envelope-from cwr@core.cwross.com) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D85181DFA for ; Thu, 14 Jul 2016 18:54:28 +0000 (UTC) (envelope-from cwr@core.cwross.com) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 4B68A203FD; Thu, 14 Jul 2016 14:54:27 -0400 (EDT) Received: from web3 ([10.202.2.213]) by compute4.internal (MEProxy); Thu, 14 Jul 2016 14:54:27 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=cwross.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=hCdjSwCqIaMUEij1xoTr7tJsuVs=; b=q95eJ+ X2gAdW6W+Lp3lwB5RurGZO2K4dklWXLIv8b7PBcF8JA71tTx3791kT0bQlWrOqfu /PdXD49cgY8isLGIXeGlNYvAge37l/yuoDkr0gz+96McI1TH9Vqq9Am36no2a17X ZBQ0exHZdBmZIxgsY6j9OLxih3JHVQ8zZbRKc= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=hCdjSwCqIaMUEij 1xoTr7tJsuVs=; b=aJmW/I5J4WwHcrRj2zYsnGsJw4rgoMdZnZnpArEPaUprP6R RWHHkXP4Ok15TeP/Jp8PwvMR/4SLEXaD9qgd74PWmlAF5V9wTeUaTpQicstwY9LU N9ZC08KOU6OH9dWSg3mm2BZ4+yoLRMsHLAGAC0+4eil2OXOMonN+AWqs+gkw= Received: by mailuser.nyi.internal (Postfix, from userid 99) id 13C1416719; Thu, 14 Jul 2016 14:54:27 -0400 (EDT) Message-Id: <1468522467.1907388.666511625.19D92D2F@webmail.messagingengine.com> X-Sasl-Enc: p9/YIBzJIBhXm9hWMsiNrRQ+52JBrxP4DIMjc1i2H81f 1468522467 From: "Charles W. Ross" To: Rares Vernica Cc: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-Mailer: MessagingEngine.com Webmail Interface - ajax-bf4e2c8f Subject: Re: x11: Primary monitor goes black randomly Date: Thu, 14 Jul 2016 14:54:27 -0400 In-Reply-To: References: X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Jul 2016 18:54:29 -0000 Try disabling the screen saver and/or DPMS (energy saver) via the xset command. To see what your current settings are, type 'xset q' To disable DPMS, type 'xset -dpms' To disable the screen saver, type 'xset s off' Note: these settings will not persist after you quit your current session or reboot the machine. Hope this gives you a starting point. Charlie On Thu, Jul 14, 2016, at 12:28, Rares Vernica wrote: > Hello, > > I am using an HP Elitebook 2560p which has an integrated Intel video > card. > I use two external monitors, one connected on the DisplayPort as primary > and one on the VGA port as secondary. I am not using the built-in > display. > > I use x11 with xfce and the Intel driver. It all works fine, except that > the the primary monitor (on the DisplayPort) goes black at random times. > Once black, the monitor reports no signal and goes on stand by. It does > not > resume working if I move the mouse or type on the keyboard. One way I > managed to recover it is to turn the display off with xrandr and then > back > on. > > I reported a bug on FreeBSD but I wonder if there are other things I can > try or other workarounds less intrusive than the xrandr off/on one that I > am using. See here for the bug report, log output, and version info: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210929 > > Thanks! > Rares > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"